源码介绍通过按钮实现源码截图源码片段-(id)initWithFrame:(CGRect)frame{self=[superinitWithFrame:frame];if(self){arrays=[[NSMutableArrayalloc]init];isRise=YES;titleLab=[[UILabelalloc]initWithFrame:CGRectMake(10,10,40,20)];titleLab.backgroundColor=[UIColorclearColor];titleLab.font=[UIFontsystemFontOfSize:14];[selfaddSubview:titleLab];for(inti=0;i来源链接：http://down.51cto.com/data/2009969
